Cita APA

American National Standards Institute, & American National Standards Institute. (1979). Metric heavy hex screws. New York, New York: American Society of Mechanical Engineers.

Citación estilo Chicago

American National Standards Institute, y American National Standards Institute. Metric Heavy Hex Screws. New York, New York: American Society of Mechanical Engineers, 1979.

Cita MLA

American National Standards Institute, y American National Standards Institute. Metric Heavy Hex Screws. New York, New York: American Society of Mechanical Engineers, 1979.